S-94650A421 5/16"-18 x 2" Elevator Bolts

Key Features & Benefits at a Glance

• Enhanced anti-rotation security with a square neck design that prevents loosening under vibration and dynamic loads in industrial settings.
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh or humid environments.
• High tensile strength of 120,000 psi ensures reliable fastening under medium stress, backed by SAE Grade 5 certification for consistent performance.
• Full UNC coarse threading allows for quick installation and strong grip in a variety of materials, reducing assembly time.
• Flat wide head profile provides a flush finish and even load distribution, minimizing surface damage and improving aesthetics.
• Compliance with REACH and RoHS 3 standards guarantees safety and environmental responsibility, meeting strict regulatory requirements.
• Precision Class 2A thread fit ensures smooth engagement and interchangeability, reducing the risk of cross-threading and rework.

Professional Applications & Engineering Value

This SAE Grade 5 elevator bolt is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. The square neck design locks securely into mating parts, providing anti-rotation stability that is critical for conveyor systems, elevator assemblies, and machinery where movement and stress are constant. Made from durable steel and finished with zinc yellow-chromate plating, it resists rust and wear, ensuring long-term reliability in applications like material handling, automotive fixtures, and construction equipment. The fully threaded UNC coarse spacing enables fast, secure fastening in wood, metal, or composite materials, reducing installation errors and maintenance needs. Ideal for industrial fastening solutions requiring medium strength and consistent performance, this bolt delivers engineering value through its robust construction and compliance with industry standards.

Specification Summary & Compliance

This elevator bolt features a 5/16"-18 UNC thread size with Unified Standard Class 2A fit for precise dimensional accuracy and smooth assembly. It adheres to SAE Grade 5 specifications, offering a tensile strength of 120,000 psi and a hardness of Rockwell C25. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring it meets environmental and safety standards for industrial use.